Verified directory
MCP Server Directory
Search Registry metadata and see exactly what our independent monitoring has verified.
59,892 matching servers
Operational
Sigistry Plugin & Skill Catalog
com.sigistry/plugin-catalog
Search verified Claude Code plugins and skills; fetch portable SKILL.md sources. Read-only.
460 ms latency— 24h
Operational
Sigistry Plugin Catalog (formerly Claude Registry)
com.clauderegistry/plugin-catalog
Renamed: prefer com.sigistry/plugin-catalog. This legacy endpoint keeps working.
334 ms latency— 24h
Auth required
siGit
si.sigit/sigit
MCP server for siGit (sigit.si): browse repos, search code, manage PRs/issues, web search.
615 ms latency— 24h
Auth required
Siglata
com.siglata/mcp
Software for your AI: company files, spreadsheets and rules, with per-person access and history.
998 ms latency— 24h
Operational
Sigma Prep Math Worksheets
io.sigmaprep/worksheets
Find free math worksheets (Pre-Algebra–Calculus, Statistics) as printable PDFs with answer keys.
386 ms latency— 24h
Operational
SigmaDiario — Datos de Argentina
com.sigmadiario/datos-argentina
Live Argentina data: dolar rates, quiniela and lotteries, holidays, river levels, inflation, news.
967 ms latency— 24h
Down
sigma-gate
io.github.spektre-labs/sigma-gate
Deterministic trust gate for AI output: leaked-secret, prompt-injection & PII in one call.
67 ms latency— 24h
Operational
SigmaJunction
com.sigmajunction/site
Software engineering firm in Serbia: services, engagement models, articles - and send an inquiry.
1101 ms latency— 24h
Auth required
sign
pro.tvarka/sign
Qualified and simple e-signatures: request signing, track ceremonies and download signed documents.
669 ms latency— 24h
Auth required
Sign Customiser
com.signcustomiser/sign-customiser
Read and manage Sign Customiser stores: customisers, options, pricing, products and orders.
324 ms latency— 24h
Auth required
Sign PDF
co.portant/esign-pdf
Send a PDF, a Google Doc or Markdown for e-signature from chat, and get the signed PDF back.
327 ms latency— 24h
Auth required
Signa
so.signa/signa
Search, screen and monitor trademarks across USPTO, EUIPO, WIPO, UKIPO and more with one API.
163 ms latency— 24h
Operational
SignaBras Certificados Digitais
io.github.SignaBras-Certificados/signabras
Catálogo de certificados digitais ICP-Brasil A1 (e-CPF, e-CNPJ), políticas e pedido com Pix.
806 ms latency— 24h
Auth required
Signado MCP
io.signado/mcp
LinkedIn warm-lead discovery: list leads, find emails, and draft outreach from your AI tools.
158 ms latency— 24h
Auth required
SignageSpace
com.signagespace/signagespace
Manage digital signage screens, playlists and media from your AI assistant.
365 ms latency— 24h
Auth required
signal
com.returnonsecurity/signal
Cybersecurity market intelligence: funding rounds, M&A, investors, valuations, corporate lineage.
273 ms latency— 24h
Operational
Signal Band decision engines
net.signalband/decision-engines
Evidence-weighted decision engines: AI business cases, venture readiness, free soundchecks.
236 ms latency— 24h
Operational
Signal by StackEnhance
com.stackenhance/signal
How often 13,000+ e-commerce brands send marketing emails: counts, send dates, recent subject lines.
938 ms latency— 24h
Auth required
Signal Desk by LarryBuildsAI
io.github.LarryLemonBot/signal-desk
One-to-three-cent spend routing, lead research, token-risk, and agent-tool comparison preflights.
163 ms latency— 24h
Operational
Signal Desk paid tools
io.github.huntercarver24/signal-desk
x402-paid tools: render pages, host files, delayed callbacks, pump.fun launch feed, trend radar
226 ms latency— 24h
Auth required
Signal House
io.signalhouse/mcp
Send SMS and MMS, manage phone numbers, and run 10DLC brand and campaign registration.
147 ms latency— 24h
Auth required
Signal Lab Apify Data Tools
io.github.VZezelin/signal-lab-apify-tools
Run Signal Lab Apify Actors for price tracking, keywords, RAG, transcripts, Reddit, jobs, and menus.
240 ms latency— 24h
Operational
Signal Lab: free data for trading and AI agents
io.github.QDThead/signal-lab
Search and export free market, macro, weather, news and OSINT data sources, with terms and skills.
1203 ms latency— 24h
Operational
Signal Leads
com.botrecipe/leads
25 sales leads with a public funding, hiring or tech signal, source link and draft message each.
364 ms latency— 24h